Ventilator bottom plate



FIG. 1 is a perspective view of a ventilator bottom plate taken from a direction between a right side and the back of the ventilator bottom plate;

FIG. 2 is a right side elevation view of the ventilator bottom plate of FIG. 1;

FIG. 3 is a top plan view of the ventilator bottom plate of FIG. 1;

FIG. 4 is a bottom plan view of the ventilator bottom plate of FIG. 1;

FIG. 5 is a left side elevation view of the ventilator bottom plate of FIG. 1;

FIG. 6 is a front elevation view of the ventilator bottom plate of FIG. 1; and,

FIG. 7 is a back elevation view of the ventilator bottom plate of FIG. 1. 

CLAIM The ornamental design for a ventilator bottom plate, as shown and described. 